#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<sys/types.h>
#include<signal.h>
void usage(const char* proc)
{
  printf("usage:\n\t %s pid signo\n",proc);
}
int main(int argc, char* argv[])
{
  if(argc != 3)
  {
    usage(argv[0]);
    return 1;
  }
  int who = atoi(argv[1]);
  int signo = atoi(argv[2]);
  kill(who, signo);
  return 0;
}
